198522797007 has 16 divisors (see below), whose sum is σ = 270608735232. Its totient is φ = 129421533120.

The previous prime is 198522796991. The next prime is 198522797021. The reversal of 198522797007 is 700797225891.

It is not a de Polignac number, because 198522797007 - 2⁴ = 198522796991 is a prime.

It is a super-2 number, since 2×198522797007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198522797807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3577119 + ... + 3632192.

It is an arithmetic number, because the mean of its divisors is an integer number (16913045952).

Almost surely, 2^198522797007 is an apocalyptic number.

198522797007 is a deficient number, since it is larger than the sum of its proper divisors (72085938225).

198522797007 is a wasteful number, since it uses less digits than its factorization.

198522797007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209518.

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 198522797007 in words is "one hundred ninety-eight billion, five hundred twenty-two million, seven hundred ninety-seven thousand, seven".